From 21f420714845eb9c60ca5d7dcc6223d1f49b8a6c Mon Sep 17 00:00:00 2001
From: tappro <tappro>
Date: Fri, 21 Apr 2006 15:36:58 +0000
Subject: [PATCH] fix issue with md_ops

---
 lustre/obdclass/genops.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c
index f8d6b51..f77ee69 100644
--- a/lustre/obdclass/genops.c
+++ b/lustre/obdclass/genops.c
@@ -128,7 +128,9 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops,
                 GOTO (failed, rc);
 
         *(type->typ_dt_ops) = *dt_ops;
-        *(type->typ_md_ops) = *md_ops;
+        /* md_ops is optional */
+        if (md_ops)
+                *(type->typ_md_ops) = *md_ops;
         strcpy(type->typ_name, name);
 
 #ifdef LPROCFS
-- 
1.8.3.1